<!DOCTYPE html>
<html>
<head lang="zh">
    <meta charset="UTF-8">
    <title></title>
</head>
<body>

<div class="tab-box">
    <a class="btn-tab" id="btn-tab-1" onclick="tab.goto(1)">tab1</a>
    <a class="btn-tab" id="btn-tab-2" onclick="tab.goto(2)">tab1</a>
    <a class="btn-tab" id="btn-tab-3" onclick="tab.goto(3)">tab1</a>
</div>

<div id="tab1" class="tab-page">
    AAA
</div>
<div id="tab2" class="tab-page">
    BBB
</div>
<div id="tab3" class="tab-page">
    CCC
</div>

</body>
</html>